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14 March 2023 Singleshot and high-sensitivity detection of terahertz waveforms using phase-offset electro-optic sampling and an echelon mirror
Ikufumi Katayama, Ryo Tamaki
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Proceedings Volume 12406, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications VIII; 1240603 (2023) https://doi.org/10.1117/12.2652127
Event: SPIE LASE, 2023, San Francisco, California, United States
Abstract
We implemented the single-shot terahertz spectrometer using an echelon mirror coupled with the phase-offset electro-optic sampling method. The single-shot sensitivity of the terahertz waveform approaches 1 V/cm, which opens a new possibility of detecting terahertz waveforms from various irreversible phenomena. Spectroscopy under pulsed high-magnet, terahertz spectral line imaging, and the terahertz spectroscopy of laser ablation processes are demonstrated. Pulse-to-pulse detection of the terahertz waveforms could bring new information on the ultrafast dynamics of materials and material processing.
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Ikufumi Katayama and Ryo Tamaki "Singleshot and high-sensitivity detection of terahertz waveforms using phase-offset electro-optic sampling and an echelon mirror", Proc. SPIE 12406, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications VIII, 1240603 (14 March 2023); https://doi.org/10.1117/12.2652127
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KEYWORDS
Terahertz radiation
Terahertz spectroscopy
Ultrafast phenomena
Laser ablation
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